Dust cap



FIG. 1 is a perspective view of a dust cap showing my new design;

FIG. 2 is a front view of the same; the front and back being mirrorimages of one another;

FIG. 3 is a side view of the same, the left and right sides being mirrorimages of one another;

FIG. 4 is a top view of the same; and,

FIG. 5 is a perspective view of the dust cap, wherein the broken linesshown are included for the purpose of illustrating environmentalstructure that forms no part of the claimed design.

The ornamental design for a dust cap, as shown and described.